1. a Brazilian Bioethanol Science and Technology Laboratory , CTBE/CNPEM , PO Box 6170, Campinas , São Paulo , Brazil , 13083-970
2. b Interdisciplinary Center of Energy Planning , State University of Campinas , PO Box 6166, Campinas , São Paulo , Brazil , 13083-896
3. c Cerrados Agricultural Research Center, Brazilian Agricultural Research Organization, Embrapa Cerrados , PO Box 08223, Planaltina , Federal District , Brazil , 73301-970
4. d Department of Geotechnology , Raízen S.A , PO Box 1331, Piracicaba , São Paulo , Brazil , 13405-970
5. e Department of Planning and Sustainable Rural Development – State University of Campinas – UNICAMP/FEAGRI , PO Box 6011, Campinas , São Paulo , Brazil , 13083-875